UP0.4C-270-R

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Fixed Inductors

An inductor, also known as a coil, choke, or reactor, is a passive two-terminal electrical component which resists changes in electric current passing through it. It is used to store energy in the form of a magnetic field due to its direct current (DC) resistance and is often used in applications requiring either a consistent current or to help smooth out a fluctuating current.

A UP0.4C-270-R is an example of a specific type of inductor, commonly referred to as a Fixed Inductor. This type of inductor is designed to have a fixed inductance value, and can be used in a variety of applications requiring AC or DC current. Of particular note is the use of these inductors in the filtering of AC and EMI signals, as their fixed value of inductance makes them well-suited for this purpose.

The UP0.4C-270-R includes an enameled flat wire coil on a ferrite core and is capable of working over a temperature range of -40°C to +125°C, with a current rating of up to 150mA. The UP0.4C-270-R has a high self-resonance frequency which makes them suitable for use in high frequency circuits, and its low DCR makes it particularly resistant to heat. This makes it a good choice for use in circuits that require a stable current at high frequencies.

The working principle of a fixed inductor is based on its ability to store energy in the form of a magnetic field. When a current passes through an inductor, a magnetic field is created around it. This magnetic field then acts to oppose any changes in the current passing through it, resulting in the inductor \'lagging\' behind the changes in the current. This phenomenon is known as inductance, and is what allows the fixed inductor to maintain a stable current, even when the surrounding circuit is subjected to fluctuations.

The UP0.4C-270-R fixed inductor is ideal for applications such as DC/DC converter circuits, power supply filter circuits, switching power circuits, choke coils in motor circuits, and low-frequency circuits. Its ability to maintain a stable current under varying conditions makes it a popular choice for a wide range of applications, from lighting systems to automotive electronics.

In conclusion, the UP0.4C-270-R fixed inductor is an ideal choice for a variety of applications requiring a reliable current, especially those involving high frequency circuits. Its low profile, high self-resonance frequency, and low DCR make it well-suited for use in any environment where stability is a priority.

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